Home / 160,899.20-222,042.42-89,285.88

Finding the Fourth Proportional to 160,899.20, 222,042.42 and 89,285.88

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Solution

The fourth proportional to 160,899.20, 222,042.42 and 89,285.88 is: 123,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,899.20 : 222,042.42 = 89,285.88 : x
  2. Step 2: Convert to fraction form
    160,899.20/222,042.42 = 89,285.88/x
  3. Step 3: Cross multiply
    160,899.20x = 222,042.42 × 89,285.88
  4. Step 4: Simplify right side
    160,899.20x = 19,825,252,867.03
  5. Step 5: Solve for x
    x = 19,825,252,867.03/160,899.20
  6. Step 6: Final answer
    x = 123,215.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.